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12214011 = 34071337
BaseRepresentation
bin101110100101…
…111011111011
3211222112110210
4232211323323
511111322021
61113442203
7205550235
oct56457373
924875423
1012214011
116992627
124110363
1326b8534
14189d255
151113e76
hexba5efb

12214011 has 4 divisors (see below), whose sum is σ = 16285352. Its totient is φ = 8142672.

The previous prime is 12213991. The next prime is 12214019. The reversal of 12214011 is 11041221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11041221 = 33680407.

It is not a de Polignac number, because 12214011 - 26 = 12213947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12214019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035666 + ... + 2035671.

It is an arithmetic number, because the mean of its divisors is an integer number (4071338).

Almost surely, 212214011 is an apocalyptic number.

12214011 is a deficient number, since it is larger than the sum of its proper divisors (4071341).

12214011 is an equidigital number, since it uses as much as digits as its factorization.

12214011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071340.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12214011 is about 3494.8549326117. The cubic root of 12214011 is about 230.2958448797.

Adding to 12214011 its reverse (11041221), we get a palindrome (23255232).

The spelling of 12214011 in words is "twelve million, two hundred fourteen thousand, eleven".

Divisors: 1 3 4071337 12214011